A member asked:

Is a negative hiv rna test at 20 days after possible exposure somewhat reliable?

A doctor has provided 1 answer
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

About 95%: Probably about 95% reliable. You should also have an antigen-antibody ("duo", "combo") test at 4-6 weeks. But probably all is OK: the average HIV transmission risk for a single episode of vaginal sex, if one partner is infected, is around once for every 1000-2000 exposures.

Answered 12/6/2017

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